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<div class="subTitle">ar.com.hjg.pngj</div>
<h2 title="Class IdatSet" class="title">Class IdatSet</h2>
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<li><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">ar.com.hjg.pngj.DeflatedChunksSet</a></li>
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<li>ar.com.hjg.pngj.IdatSet</li>
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<pre>public class <span class="strong">IdatSet</span>
extends <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></pre>
<div class="block">This object process the concatenation of IDAT chunks.
 <p>
 It extends <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj"><code>DeflatedChunksSet</code></a>, adding the intelligence to unfilter rows, and to understand
 row lenghts in terms of ImageInfo and (eventually) Deinterlacer</div>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#deinterlacer">deinterlacer</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#filterUseStat">filterUseStat</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a></code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#imgInfo">imgInfo</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#rowUnfiltered">rowUnfiltered</a></strong></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#rowUnfilteredPrev">rowUnfilteredPrev</a></strong></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;ar.com.hjg.pngj.<a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></h3>
<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#chunkid">chunkid</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#row">row</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#IdatSet(java.lang.String, ar.com.hjg.pngj.ImageInfo, ar.com.hjg.pngj.Deinterlacer)">IdatSet</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
       <a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a>&nbsp;iminfo,
       <a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a>&nbsp;deinterlacer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#IdatSet(java.lang.String, ar.com.hjg.pngj.ImageInfo, ar.com.hjg.pngj.Deinterlacer, java.util.zip.Inflater, byte[])">IdatSet</a></strong>(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
       <a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a>&nbsp;iminfo,
       <a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a>&nbsp;deinterlacer,
       <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/zip/Inflater.html?is-external=true" title="class or interface in java.util.zip">Inflater</a>&nbsp;inf,
       byte[]&nbsp;buffer)</code>
<div class="block">Special constructor with preallocated buffer.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#advanceToNextRow()">advanceToNextRow</a></strong>()</code>
<div class="block">Signals that we are done with the previous row, begin reading the next one.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#close()">close</a></strong>()</code>
<div class="block">This should be called when discarding this object, or for aborting.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#getDeinterlacer()">getDeinterlacer</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#getFilterUseStat()">getFilterUseStat</a></strong>()</code>
<div class="block">Only for debug/stats</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#getUnfilteredRow()">getUnfilteredRow</a></strong>()</code>
<div class="block">Unfiltered row.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#isRowReady()">isRowReady</a></strong>()</code>
<div class="block">In this state, the object is waiting the caller to retrieve inflated data</div>
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</tr>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#preProcessRow()">preProcessRow</a></strong>()</code>
<div class="block">does the unfiltering of the inflated row, and updates row info</div>
</td>
</tr>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#processDoneCallback()">processDoneCallback</a></strong>()</code>
<div class="block">Callback, must be implemented in callbackMode</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#processRowCallback()">processRowCallback</a></strong>()</code>
<div class="block">Method for async/callback mode .</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#unfilterRow()">unfilterRow</a></strong>()</code>
<div class="block">Applies PNG un-filter to inflated raw line.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../ar/com/hjg/pngj/IdatSet.html#unfilterRow(int)">unfilterRow</a></strong>(int&nbsp;nbytes)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;ar.com.hjg.pngj.<a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></h3>
<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#ackNextChunkId(java.lang.String)">ackNextChunkId</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#allowOtherChunksInBetween(java.lang.String)">allowOtherChunksInBetween</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#appendNewChunk(ar.com.hjg.pngj.DeflatedChunkReader)">appendNewChunk</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#done()">done</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getBytesIn()">getBytesIn</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getBytesOut()">getBytesOut</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getInflatedRow()">getInflatedRow</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRowFilled()">getRowFilled</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRowLen()">getRowLen</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRown()">getRown</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isCallbackMode()">isCallbackMode</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isDone()">isDone</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isTerminated()">isTerminated</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isWaitingForMoreInput()">isWaitingForMoreInput</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#prepareForNextRow(int)">prepareForNextRow</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#processBytes(byte[], int, int)">processBytes</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#setCallbackMode(boolean)">setCallbackMode</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#terminate()">terminate</a>, <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#toString()">toString</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>rowUnfiltered</h4>
<pre>protected&nbsp;byte[] rowUnfiltered</pre>
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<pre>protected&nbsp;byte[] rowUnfilteredPrev</pre>
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<h4>imgInfo</h4>
<pre>protected final&nbsp;<a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a> imgInfo</pre>
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<h4>deinterlacer</h4>
<pre>protected final&nbsp;<a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a> deinterlacer</pre>
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<h4>filterUseStat</h4>
<pre>protected&nbsp;int[] filterUseStat</pre>
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<h3>Constructor Detail</h3>
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<h4>IdatSet</h4>
<pre>public&nbsp;IdatSet(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
       <a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a>&nbsp;iminfo,
       <a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a>&nbsp;deinterlacer)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - Chunk id (first chunk), should be shared by all concatenated chunks</dd><dd><code>iminfo</code> - Image info</dd><dd><code>deinterlacer</code> - Not null if interlaced</dd></dl>
</li>
</ul>
<a name="IdatSet(java.lang.String, ar.com.hjg.pngj.ImageInfo, ar.com.hjg.pngj.Deinterlacer, java.util.zip.Inflater, byte[])">
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<h4>IdatSet</h4>
<pre>public&nbsp;IdatSet(<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;id,
       <a href="../../../../ar/com/hjg/pngj/ImageInfo.html" title="class in ar.com.hjg.pngj">ImageInfo</a>&nbsp;iminfo,
       <a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a>&nbsp;deinterlacer,
       <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/zip/Inflater.html?is-external=true" title="class or interface in java.util.zip">Inflater</a>&nbsp;inf,
       byte[]&nbsp;buffer)</pre>
<div class="block">Special constructor with preallocated buffer.
 <p>
 <p>
 Same as <a href="../../../../ar/com/hjg/pngj/IdatSet.html#IdatSet(java.lang.String, ar.com.hjg.pngj.ImageInfo, ar.com.hjg.pngj.Deinterlacer)"><code>IdatSet(String, ImageInfo, Deinterlacer)</code></a>, but you can pass a Inflater (will be
 reset internally), and a buffer (will be used only if size is enough)</div>
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<h4>unfilterRow</h4>
<pre>public&nbsp;void&nbsp;unfilterRow()</pre>
<div class="block">Applies PNG un-filter to inflated raw line. Result in <a href="../../../../ar/com/hjg/pngj/IdatSet.html#getUnfilteredRow()"><code>getUnfilteredRow()</code></a>
 <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRowLen()"><code>DeflatedChunksSet.getRowLen()</code></a></div>
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<h4>unfilterRow</h4>
<pre>protected&nbsp;void&nbsp;unfilterRow(int&nbsp;nbytes)</pre>
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<pre>protected&nbsp;void&nbsp;preProcessRow()</pre>
<div class="block">does the unfiltering of the inflated row, and updates row info</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#preProcessRow()">preProcessRow</a></code>&nbsp;in class&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></code></dd>
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<h4>processRowCallback</h4>
<pre>protected&nbsp;int&nbsp;processRowCallback()</pre>
<div class="block">Method for async/callback mode .
 <p>
 In callback mode will be called as soon as each row is retrieved (inflated and unfiltered),
 after <a href="../../../../ar/com/hjg/pngj/IdatSet.html#preProcessRow()"><code>preProcessRow()</code></a>
 <p>
 This is a dummy implementation that does nothing.
 <p>
 The return value is essential
 <p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#processRowCallback()">processRowCallback</a></code>&nbsp;in class&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>Length of next row, in bytes (including filter byte), non-positive if done</dd></dl>
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<h4>processDoneCallback</h4>
<pre>protected&nbsp;void&nbsp;processDoneCallback()</pre>
<div class="block"><strong>Description copied from class:&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#processDoneCallback()">DeflatedChunksSet</a></code></strong></div>
<div class="block">Callback, must be implemented in callbackMode
 <p>
 This will be called once to notify state done</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#processDoneCallback()">processDoneCallback</a></code>&nbsp;in class&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></code></dd>
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<h4>advanceToNextRow</h4>
<pre>public&nbsp;int&nbsp;advanceToNextRow()</pre>
<div class="block">Signals that we are done with the previous row, begin reading the next one.
 <p>
 In polled mode, calls setNextRowLen()
 <p>
 Warning: after calling this, the unfilterRow is invalid!</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Returns nextRowLen</dd></dl>
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<h4>isRowReady</h4>
<pre>public&nbsp;boolean&nbsp;isRowReady()</pre>
<div class="block"><strong>Description copied from class:&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isRowReady()">DeflatedChunksSet</a></code></strong></div>
<div class="block">In this state, the object is waiting the caller to retrieve inflated data
 <p>
 Effective length: see <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRowFilled()"><code>DeflatedChunksSet.getRowFilled()</code></a></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#isRowReady()">isRowReady</a></code>&nbsp;in class&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></code></dd>
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<h4>getUnfilteredRow</h4>
<pre>public&nbsp;byte[]&nbsp;getUnfilteredRow()</pre>
<div class="block">Unfiltered row.
 <p>
 This should be called only if <a href="../../../../ar/com/hjg/pngj/IdatSet.html#isRowReady()"><code>isRowReady()</code></a> returns true.
 <p>
 To get real length, use <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#getRowLen()"><code>DeflatedChunksSet.getRowLen()</code></a>
 <p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Unfiltered row, includes filter byte</dd></dl>
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<h4>getDeinterlacer</h4>
<pre>public&nbsp;<a href="../../../../ar/com/hjg/pngj/Deinterlacer.html" title="class in ar.com.hjg.pngj">Deinterlacer</a>&nbsp;getDeinterlacer()</pre>
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<h4>close</h4>
<pre>public&nbsp;void&nbsp;close()</pre>
<div class="block"><strong>Description copied from class:&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#close()">DeflatedChunksSet</a></code></strong></div>
<div class="block">This should be called when discarding this object, or for aborting. Secure, idempotent Don't
 use this just to notify this object that it has no more work to do, see <a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#done()"><code>DeflatedChunksSet.done()</code></a></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html#close()">close</a></code>&nbsp;in class&nbsp;<code><a href="../../../../ar/com/hjg/pngj/DeflatedChunksSet.html" title="class in ar.com.hjg.pngj">DeflatedChunksSet</a></code></dd>
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<h4>getFilterUseStat</h4>
<pre>public&nbsp;int[]&nbsp;getFilterUseStat()</pre>
<div class="block">Only for debug/stats</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Array of 5 integers (sum equal numbers of rows) counting each filter use</dd></dl>
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